WorksheetsAcid-Base Definitions
Total questions: 20
Worksheet time: 10mins
What is the taste associated with acids?
Sweet
Bitter
Sour
Salty
Which of the following is a property of bases?
They are non-electrolytes.
They react with metals to produce hydrogen gas.
They turn litmus paper blue.
They have a sour taste.
According to the Arrhenius theory, what does an acid produce in aqueous solution?
Hydrogen ions
Sodium ions
Chloride ions
Hydroxide ions
Which of the following is a Brønsted-Lowry base?
A molecule that donates a hydroxide ion
A molecule that accepts a hydroxide ion
A molecule that donates a hydrogen ion
A molecule that accepts a hydrogen ion
What is the ion formed when hydrogen chloride is dissolved in water?
Hydronium ion
Hydroxide ion
Sodium ion
Chloride ion
Which of the following is a common property of acids?
They are slippery to the touch.
They have a bitter taste.
They change litmus paper to red.
They do not react with metals.
What is the definition of a Lewis acid?
A substance that accepts an electron pair
A substance that donates an electron pair
A substance that accepts a proton
A substance that donates a proton
Which of the following is a monoprotic acid?
Sulfuric acid
Phosphoric acid
Hydrochloric acid
Acetic acid
What is the result of a reaction between an acid and a base?
Hydroxide ions and a salt
Hydrogen gas and a salt
Water and a salt
Hydronium ions and a salt
Which of the following is a property of strong acids?
They ionize completely in water.
They have a bitter taste.
They do not change the color of indicators.
They are weak electrolytes.
What is the role of ammonia in a Brønsted-Lowry reaction?
It donates a proton.
It accepts a proton.
It donates an electron pair.
It accepts an electron pair.
Which of the following is a common base found in household products?
Citric acid
Acetic acid
Ammonia
Phosphoric acid
What is the formula for sodium hydroxide?
NaOH
KOH
Ca(OH)2
Mg(OH)2
Which of the following is a polyprotic acid?
Hydrochloric acid
Nitric acid
Sulfuric acid
Acetic acid
What is the color change of litmus paper in the presence of a base?
Pink to colorless
Colorless to pink
Red to blue
Blue to red
Which of the following is a characteristic of weak bases?
They do not change the color of indicators.
They ionize completely in water.
They are strong electrolytes.
They are slippery to the touch.
What is the active ingredient in milk of magnesia?
Magnesium hydroxide
Sodium hydroxide
Calcium hydroxide
Potassium hydroxide
Which of the following is a property of a Lewis base?
It donates a proton.
It accepts a proton.
It donates an electron pair.
It accepts an electron pair.
What is the formula for acetic acid?
HCl
HNO3
CH3COOH
H2SO4
Which of the following is a common acid found in citrus fruits?
Citric acid
Hydrochloric acid
Acetic acid
Phosphoric acid
